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What is pneumoconiosis? How does it occu...

What is pneumoconiosis? How does it occur ?

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Pneumoconiosis is a disease of lungs such as lung cancer, bronchial asthma, chronic bronchitis, etc. It is caused by small sized particulates which enter into lung through nose and provide a large surface area for adsorption of carcinogenic compounds such as polynuclear hydrocarbons, asbestos, etc
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